申请人:Wakamiya Atsushi
公开号:US20140058099A1
公开(公告)日:2014-02-27
The compounds represented fey the following general formula is is thermally stable and has excellent characteristics as a charge transport material [Ar
1
represents a single bond, a benzene ring, etc.; X
1
represents a linking group that links via an oxygen atom, a sulfur atom, a carbon atom, a nitrogen atom, a phosphorus atom or a silicon atom; either one of L
1
and L
2
, and L
3
and L
4
bond to each other to represent a linking group that links via an oxygen atom, a sulfur atom, a carbon atom, a nitrogen atom, a phosphorus atom or a silicon atom; the other of L
1
and L
2
, and L
3
and L
4
represent a hydrogen atom or a substituent; Y
1
represents a linking group that links via a nitrogen atom, a boron atom or a phosphorus atom; R
1
, R
2
, R
5
to R
7
and R
10
to R
12
represent a hydrogen atom or a substituent; and n1 indicates an integer of 2 or more.].